212110210101 has 4 divisors (see below), whose sum is σ = 282813613472. Its totient is φ = 141406806732.

The previous prime is 212110210087. The next prime is 212110210153. The reversal of 212110210101 is 101012011212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212110210101 - 2¹¹ = 212110208053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35351701681 + ... + 35351701686.

It is an arithmetic number, because the mean of its divisors is an integer number (70703403368).

Almost surely, 2^212110210101 is an apocalyptic number.

It is an amenable number.

212110210101 is a deficient number, since it is larger than the sum of its proper divisors (70703403371).

212110210101 is an equidigital number, since it uses as much as digits as its factorization.

212110210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70703403370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212110210101 its reverse (101012011212), we get a palindrome (313122221313).

The spelling of 212110210101 in words is "two hundred twelve billion, one hundred ten million, two hundred ten thousand, one hundred one".